Heinrich Nauen ( 1880 - 1940 ) was a German painter. Heinrich Nauen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 499.1 USD for Liegender weiblicher Akt in 2002 to 36414.77 USD for MADONNA MIT DEN TIEREN in 2011 , based on the size and medium of the artwork.